/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.tencent.angel.ipc;

import com.tencent.angel.conf.TConstants;

/**
 * Utility used by client connections
 */
// TODO: 17/6/29 by zmyer
public class ConnectionUtils {
    /**
     * Calculate pause time.
     *
     * @return How long to wait after <code>tries</code> retries
     */
    public static long getPauseTime(final long pause, final int tries) {
        int ntries = tries;
        if (ntries >= TConstants.RETRY_BACKOFF.length) {
            ntries = TConstants.RETRY_BACKOFF.length - 1;
        }
        return pause * TConstants.RETRY_BACKOFF[ntries];
    }
}
